/**
* Adds the specified <code>region</code> to the top of this KML traversal context's Region stack. The specified
* region is returned by any subsequent calls to <code>peekRegion</code> until either <code>pushRegion</code> or
* <code>popRegion</code> are called. The <code>region</code> is removed from the stack by calling
* <code>popRegion</code>.
*
* @param region the KML Region to add to the top of the stack.
*
* @throws ArgumentException if <code>region</code> is <code>null</code>.
*/
public void pushRegion(KMLRegion region)
{
if (region == null)
{
String message = Logging.getMessage("nullValue.RegionIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
this.regionStack.push(region);
}
protected bool isFeatureActive(KMLTraversalContext tc, DrawContext dc)
{
if (this.getVisibility() != null && !this.getVisibility())
{
return(false);
}
KMLRegion region = this.getRegion();
if (region == null)
{
region = tc.peekRegion();
}
return(region == null || region.isActive(tc, dc));
}
